90625480715 has 64 divisors (see below), whose sum is σ = 136902223872. Its totient is φ = 56412639360.

The previous prime is 90625480711. The next prime is 90625480769. The reversal of 90625480715 is 51708452609.

It is a happy number.

It is not a de Polignac number, because 90625480715 - 2² = 90625480711 is a prime.

It is a super-2 number, since 2×90625480715² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90625480715.

It is not an unprimeable number, because it can be changed into a prime (90625480711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60699509 + ... + 60701001.

It is an arithmetic number, because the mean of its divisors is an integer number (2139097248).

Almost surely, 2^90625480715 is an apocalyptic number.

90625480715 is a deficient number, since it is larger than the sum of its proper divisors (46276743157).

90625480715 is a wasteful number, since it uses less digits than its factorization.

90625480715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 90625480715 in words is "ninety billion, six hundred twenty-five million, four hundred eighty thousand, seven hundred fifteen".